Home / 51,388.02-70,913.97-28,727.06

Finding the Fourth Proportional to 51,388.02, 70,913.97 and 28,727.06

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Solution

The fourth proportional to 51,388.02, 70,913.97 and 28,727.06 is: 39,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,388.02 : 70,913.97 = 28,727.06 : x
  2. Step 2: Convert to fraction form
    51,388.02/70,913.97 = 28,727.06/x
  3. Step 3: Cross multiply
    51,388.02x = 70,913.97 × 28,727.06
  4. Step 4: Simplify right side
    51,388.02x = 2,037,149,871.03
  5. Step 5: Solve for x
    x = 2,037,149,871.03/51,388.02
  6. Step 6: Final answer
    x = 39,642.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.